TM 10-3610-202-14(7)Remove the bolts which attach the lower metal shimat the rear of the unit and remove the shim.(8)Note and record wire positions on blowermotor receptacle and disconnect wires.(9)Remove blower motor receptacle.(10)Position the platemaker lower front coverand install the attaching screws, washers and nuts.d.Installation. Install the replacement offsetplatemaker as follows:(1)Remove the two nuts, which attach theplatemaker lower front cover and remove the cover.(2)Position the support leg to each corner ofthe platemaker and install the attaching bolts, washersand nuts.(3)Disconnect blower motor lead fromexternal receptacle.(4)Remove the screws which attach thepump at the upper rear of the platemaker and removethe pump.(5)Obtain measurements from defectiveplatemaker and using a suitable drill, drill a new pumpintake hole and pump mounting holes.(6)Remove the two screws which attach theblower motor receptacle and from inside platemaker,pull receptacle to inside of unit.(7)Obtain measurements from defectiveplatemaker and, using a suitable drill, drill mountingholes for stainless steel duct and shims.(8)Position blower motor inside unit withhousing outlet pointing toward left side of unit and installattaching screws.(9)Using previously recorded wireconfiguration, install new blower motor plug.(10)Position stainless steel duct and upperand lower shims at rear of unit and install attachingscrews and bolts.(11)Connect blower motor lead to replacedblower motor plug.(12)Carefully move the platemaker into theshelter and position over the shelter floor mountingpoints.(13)Install the four bolts and washers whichattach the platemaker to the mounting points.(14)Position the platemaker lower front andinstall the two attaching nuts.(15)Check that all switches are in off orneutral position and connect platemaker power cord toelectrical receptacle.5-9. Light Table Assembly.A light table assembly, located on the left side of theshelter next to the platemaker, is supplied for tracing,artwork, and opaquing negatives. The light tableconsists of a metal shell which encases the fluorescentlamp mechanism. The light table glass forms a part ofthe lid. A straightedge assembly with integral rotarygears is mounted on two gear tracks, one on each sideof the glass. (See fig. 5-5.)5-12